database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

Remove unnecessary OP_Close opcodes for a size reduction and performance

Browse Source 
increase.

FossilOrigin-Name: 32be7aae92ee48bf2cd260ea41e79c2bc62738f9
This commit is contained in:
drh
2016-11-22 01:26:42 +00:00
parent 60ffc80756
commit 65f38d960d
7 changed files with 13 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/btree.c
View File

@@ -8578,27 +8578,7 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){
assert( sqlite3BtreeHoldsMutex(p) );
assert( p->inTrans==TRANS_WRITE );
/* It is illegal to drop a table if any cursors are open on the
** database. This is because in auto-vacuum mode the backend may
** need to move another root-page to fill a gap left by the deleted
** root page. If an open cursor was using this page a problem would
** occur.
**
** This error is caught long before control reaches this point.
*/
if( NEVER(pBt->pCursor) ){
sqlite3ConnectionBlocked(p->db, pBt->pCursor->pBtree->db);
return SQLITE_LOCKED_SHAREDCACHE;
}
/*
** It is illegal to drop the sqlite_master table on page 1. But again,
** this error is caught long before reaching this point.
*/
if( NEVER(iTable<2) ){
return SQLITE_CORRUPT_BKPT;
}
assert( iTable>=2 );
rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0);
if( rc ) return rc;